:root {
  --bg: #1a2332;
  --surface: #243447;
  --surface-2: #2d4157;
  --text: #f3f7ff;
  --muted: #b2bfd6;
  --accent: #48c6ff;
  --accent-2: #69f0d0;
  --line: rgba(255, 255, 255, 0.12);
  --primary: #0077a8;
  --white: #ffffff;
  --border: rgba(0,0,0,0.1);
  --nav-h: 72px;
  --trans: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 10% -10%, #2a3f5f 0%, var(--bg) 55%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.navbar .container { 
  display: flex; align-items: center; justify-content: space-between; 
  width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: .95rem; font-weight: 700; color: var(--primary);
  letter-spacing: .03em; text-transform: uppercase;
}
.nav-logo img { 
  height: 60px; 
  width: auto; 
  background: transparent;
  padding: 8px;
  border-radius: 4px;
  transition: transform 0.3s ease;
}
.nav-logo span { display: block; }
.nav-logo:hover img { transform: scale(1.05); }

.nav-hamburger {
  display: none;
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropbtn {
  background: none;
  border: none;
  padding: 8px 16px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  border-radius: 8px;
  transition: color var(--trans), background var(--trans);
}

.nav-dropbtn:hover, .nav-dropbtn:focus {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.15);
}

.nav-dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 160px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  border-radius: 8px;
  z-index: 1000;
  overflow: hidden;
}

.nav-dropdown-content a {
  color: #333;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  font-size: .9rem;
  font-weight: 500;
  transition: background-color 0.2s;
}

.nav-dropdown-content a:hover {
  background-color: var(--surface);
  color: var(--primary);
}

.nav-dropdown:hover .nav-dropdown-content {
  display: block;
}

.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px;
  font-size: .9rem; font-weight: 700; color: var(--primary);
  transition: color var(--trans), background var(--trans);
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: rgba(255, 255, 255, 0.15); }
.nav-cta {
  padding: 9px 20px !important;
  background: var(--primary) !important;
  color: var(--white) !important;
  border-radius: 8px !important;
}
.nav-cta:hover { background: var(--accent) !important; color: var(--white) !important; }

.nav-hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--trans); }

/* Mobile Nav */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none; flex-direction: column; gap: 4px;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 16px 24px; box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 16px; }
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
}

.topnav {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: 14px;
  transition: 180ms ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #062131;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 24px 64px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56vh;
  margin: 0;
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 35, 50, 0.7);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 40px 20px;
}

.hero-content h1 {
  margin: 40px 0 40px;
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  line-height: 1.6;
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 10px;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  padding: 20px;
}

.hero-image-container {
  width: 100%;
  height: 320px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.hero-image-container:hover img {
  transform: scale(1.05);
}

.stats {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stats article {
  border: 2px solid #48c6ff;
  border-radius: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.stats h3 {
  margin: 0;
  font-size: 1.4rem;
}

.stats p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.cards {
  margin-top: 80px;
}

.cards h2 {
  margin: 0 0 32px;
  font-size: 1.6rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  row-gap: 40px;
}

.card {
  display: block;
  border: 1px solid #48c6ff;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  padding: 0 0 18px;
  border-radius: 14px;
  overflow: hidden;
  transition: 180ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(72, 198, 255, 0.6);
}

.card h3 {
  margin: 14px 16px 0;
}

.card p {
  margin: 10px 16px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
  display: block;
  border-bottom: 1px solid var(--line);
  transition: transform 0.3s ease;
}

.card:hover img {
  transform: scale(1.05);
}

.footer {
  background: var(--primary); color: rgba(255,255,255,.65);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p   { margin-top: 14px; font-size: .88rem; line-height: 1.7; max-width: 300px; color: rgba(255,255,255,.65); }
.footer-col h4    { color: var(--white); font-size: .88rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; list-style: none; }
.footer-col ul { padding: 0; margin: 0; }
.footer-col ul li a {
  font-size: .88rem; color: rgba(255,255,255,.6);
  transition: color var(--trans);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px; display: flex;
  justify-content: center; align-items: center;
  flex-wrap: wrap; gap: 12px; font-size: .82rem;
}
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 1000;
  }
  
  .nav-links.open {
    display: flex;
  }
  
  .nav-links a {
    padding: 12px 16px;
    border-radius: 8px;
    margin: 4px 0;
    color: var(--primary);
    font-weight: 500;
    background: rgba(72, 198, 255, 0.1);
    border: 1px solid rgba(72, 198, 255, 0.3);
  }
  
  .nav-dropdown {
    width: 100%;
  }
  
  .nav-dropbtn {
    width: 100%;
    padding: 12px 16px;
    background: rgba(72, 198, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(72, 198, 255, 0.3);
    border-radius: 8px;
    text-align: left;
    font-weight: 500;
    margin: 4px 0;
  }
  
  .nav-dropdown-content {
    position: static;
    box-shadow: none;
    background: transparent;
    padding: 8px 0 0 0;
    margin-top: 8px;
  }
  
  .nav-dropdown-content a {
    background: rgba(72, 198, 255, 0.05);
    margin: 4px 0;
    font-size: 0.9rem;
    padding-left: 24px;
  }
  
  .nav-cta {
    background: var(--accent);
    color: #000;
    margin-top: 8px;
    border: 1px solid var(--accent);
  }
  
  .nav-hamburger {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }
  
  .nav-hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    margin: 5px 0;
    transition: 0.3s;
    border-radius: 2px;
  }
  
  .hero {
    min-height: 45vh;
    background-attachment: scroll;
    background-position: center;
    background-size: cover;
    position: relative;
    background-color: #2a3f5f; /* Mobile fallback color */
  }
  
  .hero::before {
    background: linear-gradient(135deg, rgba(42, 63, 95, 0.9), rgba(26, 35, 50, 0.95));
  }
  
  .hero-content {
    padding: 30px 20px;
    max-width: 100%;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
    line-height: 1.3;
    margin: 30px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 30px;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
    padding: 16px 24px;
    font-size: 1rem;
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 50px 0;
  }
  
  .stats article {
    padding: 24px 20px;
    border-radius: 16px;
  }
  
  .stats h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
  }
  
  .stats p {
    font-size: 0.95rem;
    line-height: 1.4;
  }
  
  .cards h2 {
    font-size: 1.8rem;
    margin: 0 0 40px;
    text-align: center;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .card {
    border-radius: 16px;
    overflow: hidden;
  }
  
  .card img {
    height: 220px;
  }
  
  .card h3 {
    font-size: 1.3rem;
    margin: 20px 16px 12px;
  }
  
  .card p {
    font-size: 1rem;
    margin: 0 16px 20px;
    line-height: 1.5;
  }
  
  .container {
    padding: 8px 20px 60px;
  }
  
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 50vh;
    background-position: center top;
    background-color: #1e3a52; /* iPhone-specific color */
  }
  
  .hero::before {
    background: linear-gradient(135deg, rgba(30, 58, 82, 0.95), rgba(26, 35, 50, 0.98));
  }
  
  .hero-content {
    padding: 40px 16px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin: 25px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
  }
  
  .hero-actions {
    gap: 14px;
    margin-top: 25px;
  }
  
  .btn {
    max-width: 280px;
    padding: 14px 20px;
    font-size: 0.95rem;
  }
  
  .stats {
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 40px 0;
  }
  
  .stats article {
    padding: 28px 24px;
    text-align: center;
  }
  
  .stats h3 {
    font-size: 1.8rem;
  }
  
  .stats p {
    font-size: 1rem;
  }
  
  .cards h2 {
    font-size: 1.6rem;
    margin: 0 0 35px;
  }
  
  .card img {
    height: 200px;
  }
  
  .card h3 {
    font-size: 1.25rem;
    margin: 18px 16px 10px;
  }
  
  .card p {
    font-size: 0.95rem;
    margin: 0 16px 18px;
  }
  
  .container {
    padding: 8px 16px 50px;
  }
  
  .navbar {
    height: 60px;
  }
  
  .nav-logo img {
    height: 48px;
  }
}